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发明名称
指针量角器
摘要
省略其他视图。
申请公布号
CN3018526D
申请公布日期
1993.05.12
申请号
CN92305388.3
申请日期
1992.07.16
申请人
蔡建
发明人
蔡建
分类号
19-06
主分类号
19-06
代理机构
代理人
主权项
地址
464000河南省信阳市第九中学三(2)班
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